H8147 שְׁנַיִם (shen-ah'-yim)

KJV renderings: both, couple, double, second, twain, [phrase] twelfth, [phrase] twelve, [phrase] twenty (sixscore) thousand, twice, two.
Strong's definition: two; also (as ordinal) twofold
Derivation: dual of H8145 (שֵׁנִי); feminine שְׁתַּיִם;

From James Strong's public-domain dictionaries (H), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.